19994640813

素因数分解:

$3^2\times 7^1\times {\mathrm{10667}}^1\times {\mathrm{29753}}^1$

素因数の和:40433

約数の個数: 24

約数和(自身を含む): 33011229888

約数和(自身を除く): 13016589075

約数列:

[1, 3, 7, 9, 21, 63, 10667, 29753, 32001, 74669, 89259, 96003, 208271, 224007, 267777, 624813, 672021, 1874439, 317375251, 952125753, 2221626757, 2856377259, 6664880271, 19994640813]

約数ペア:

[(1, 19994640813), (3, 6664880271), (7, 2856377259), (9, 2221626757), (21, 952125753), (63, 317375251), (10667, 1874439), (29753, 672021), (32001, 624813), (74669, 267777), (89259, 224007), (96003, 208271)]